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Credit Card
First, let's cover what the security code is: a 3-digit numeric value generated during card printing and printed on the card to verify the cardholder and reduce fraud risk. This value is called CVV2/CVC2.
ATM
Chip-based ID cards have made our identities more secure, so they can now be used in many critical transactions. Could they also be used in the world of payments, such as at ATMs?
Mobile Payments
TR QR Code is the QR code standard defined by the regulation on generating and using TR QR codes in payment services. FAST – TR QR Code refers to the TR QR Code used for payments made through FAST, built on BKM's infrastructure.
EMV
EMV standards form the foundation for chip cards to work on terminals worldwide, but each scheme - VSDC (Visa), M/Chip (Mastercard), AEIPS (Amex), J Smart (JCB), D-PAS (Discover), and UICS (UnionPay) - defines its own keys, rules, and card profiles.
ATM
Moving branch transactions to channels such as ATMs, internet banking and mobile banking lowers banking costs, so almost every transaction can now be done through them. Here is what ATMs offer.
Payment Institutions & E-Money
PayPal announced that it is launching payments with QR codes in 28 markets worldwide, including the USA, the UK, France, Hong Kong and Canada. Businesses can use QR codes to accept payments and consumers to shop contactlessly through the PayPal mobile app.
Merchant & POS
Dynamic verification means that, in a payment initiated with a dynamic QR code, transaction-specific details such as the recipient's name, account number and amount are verified online by the receiving participant at the time of the transaction.
ISO 8583
F25 - POINT OF SERVICE (POS) CONDITION CODE is the field that defines the condition under which a POS transaction was performed. Possible values include 00 Normal presentment, 01 Customer not present, 02 Unattended terminal, and more.
HSM & Security
TMK stands for Terminal Master Key, a key-encrypting key distributed manually or automatically under a previously established TMK. It is used to distribute data encryption keys to an ATM or POS terminal within a local network.
Payment Systems
An amendment was made to the communiqué on the information systems of payment and e-money institutions and data sharing services, setting 31/3/2025 as the deadline for other payment service providers' obligations.
Debit Card
We previously explained detailed information about Mifare cards at the link below: https://unalarif.com/yazi/mifare-kart-nedir/ Now let's list the technical features of Mifare cards.
Merchant & POS
Just like a car, a POS device has a brand and a model, for example Ingenico ICT220 or Ingenico ICT250. Each model differs from the others: some have a contactless reader while others may not, and screens, memory and features vary.